Masakazu Hiro

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing carbonaceous preform
- Patent number 5,935,359
- Issue date Aug 10, 1999
- Nippon Oil Company, Limited
- Yoshio Sohda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Disk brakes
- Patent number 5,803,210
- Issue date Sep 8, 1998
- Nippon Oil Co., Ltd.
- Takefumi Kohno
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...